What does x represent in the formula for the compound xcl4?

I believe the answer would be C

The the compound of interest i.e.  XCl4, since there are 4 Cl atoms bonded to X. This signifies that the valency of X is 4.

There atomic number of C is 6. It's electronic configuration is giving by 1s2 2s2 2p2. Thus, there are 4 electrons in valence shell of C. This signifies that valency of C is 4. Hence the compound present in present case is CCl4.

Hope this helps :)

C

Explanation:

because it's CCl4?

1. they vary with a higher number because boiling is way hotter than melting

o conteúdo de calor de um sistema é igual à entalpia apenas para um sistema que é constante